12-minute Mandelbrot: fractals on a 50 year old IBM 1401 mainframe

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About the Computer History Museum’s IBM 1401 Machines | @CHM Blog

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Apex Plus PoE-GigE-48 Installation – Trango Support
Apex Plus PoE-GigE-48 Installation – Trango Support

1950's tax preparation: plugboard programming with an ibm 403

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12-minute Mandelbrot: fractals on a 50 year old IBM 1401 mainframe
12-minute Mandelbrot: fractals on a 50 year old IBM 1401 mainframe

Bad relay: fixing the card reader for a vintage ibm 1401 mainframe

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Bad relay: Fixing the card reader for a vintage IBM 1401 mainframe
Bad relay: Fixing the card reader for a vintage IBM 1401 mainframe

South Africa’s first computers
South Africa’s first computers

Examining the core memory module inside a vintage IBM 1401 mainframe
Examining the core memory module inside a vintage IBM 1401 mainframe

1950's tax preparation: plugboard programming with an IBM 403
1950's tax preparation: plugboard programming with an IBM 403

About the Computer History Museum’s IBM 1401 Machines | @CHM Blog
About the Computer History Museum’s IBM 1401 Machines | @CHM Blog

The plug-board of an IBM 1401 mainframe computer, 1959 : r/EngineeringPorn
The plug-board of an IBM 1401 mainframe computer, 1959 : r/EngineeringPorn

Historical and Economic Development of Computers (Part 1)
Historical and Economic Development of Computers (Part 1)

1950's tax preparation: plugboard programming with an IBM 403
1950's tax preparation: plugboard programming with an IBM 403

IBM SAS-Backplane System x3400 M3 - FRU 94Y6670 - YouTube
IBM SAS-Backplane System x3400 M3 - FRU 94Y6670 - YouTube

12-minute Mandelbrot: fractals on a 50 year old IBM 1401 mainframe
12-minute Mandelbrot: fractals on a 50 year old IBM 1401 mainframe